diff --git a/roles/validate-tempest/vars/tempest_skip_master.yml b/roles/validate-tempest/vars/tempest_skip_master.yml
index 5b35731a1..be77835fb 100644
--- a/roles/validate-tempest/vars/tempest_skip_master.yml
+++ b/roles/validate-tempest/vars/tempest_skip_master.yml
@@ -137,6 +137,24 @@ known_failures:
   - test: 'tempest.api.compute.servers.test_attach_interfaces.AttachInterfacesUnderV243Test.test_add_remove_fixed_ip'
     reason: 'Got error: Class PyRoute2 cannot be found '
     lp: 'https://bugs.launchpad.net/tripleo/+bug/1810325'
+  - test: 'tempest.api.network.admin.test_dhcp_agent_scheduler.DHCPAgentSchedulersTestJSON.test_add_remove_network_from_dhcp_agent'
+    reason: 'DHCP Agent is disabled by default in OVN'
+    lp: 'https://bugs.launchpad.net/tripleo/+bug/1817705'
+  - test: 'tempest.api.network.admin.test_dhcp_agent_scheduler.DHCPAgentSchedulersTestJSON.test_list_networks_hosted_by_one_dhcp'
+    reason: 'DHCP Agent is disabled by default in OVN'
+    lp: 'https://bugs.launchpad.net/tripleo/+bug/1817705'
+  - test: 'neutron_tempest_plugin.api.admin.test_dhcp_agent_scheduler.DHCPAgentSchedulersTestJSON.test_add_remove_network_from_dhcp_agent'
+    reason: 'DHCP Agent is disabled by default in OVN'
+    lp: 'https://bugs.launchpad.net/tripleo/+bug/1817705'
+  - test: 'neutron_tempest_plugin.api.admin.test_dhcp_agent_scheduler.DHCPAgentSchedulersTestJSON.test_dhcp_port_status_active'
+    reason: 'DHCP Agent is disabled by default in OVN'
+    lp: 'https://bugs.launchpad.net/tripleo/+bug/1817705'
+  - test: 'neutron_tempest_plugin.api.admin.test_dhcp_agent_scheduler.DHCPAgentSchedulersTestJSON.test_list_networks_hosted_by_one_dhcp'
+    reason: 'DHCP Agent is disabled by default in OVN'
+    lp: 'https://bugs.launchpad.net/tripleo/+bug/1817705'
+  - test: 'neutron_tempest_plugin.scenario.test_qos.QoSTest.test_qos_basic_and_update'
+    reason: 'Possible bug for QoS + FIP in OVN'
+    lp: 'https://bugs.launchpad.net/tripleo/+bug/1817705'
   # skip list for undercloud
   - test: 'tempest.api.network.test_networks.NetworksTest.test_external_network_visibility'
     reason: 'Running on undercloud'